Delaying second doses of COVID-19 vaccines should reduce case numbers in the near term. But the longer-term case burden and the potential for evolution of viral “escape” from immunity will depend on the robustness of immune responses generated by natural…
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Which blood pressure number matters most might depend on your age
Systolic blood pressure is the best way to predict future cardiovascular events and death, irrespective of age, according to new research. But in younger people, diastolic blood pressure could still be important. Systolic pressure—the upper number in a blood pressure…
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